Robert Ceagle Posted March 24, 2022 Share Posted March 24, 2022 Got a 2010 Mack Pinnacle dump truck and all the lights come on R&L Turn, Head Lights, Cabs, Side Markers & Brake Lights work fine and all light up however, the blinkers do not blink. I have no fuse box diagram for this truck can anyone help please. Quote Link to comment Share on other sites More sharing options...
Mackpro Posted March 25, 2022 Share Posted March 25, 2022 Check/replace the flasher . It’s in the fuse box on top of the dash . It’s to the left of alll the small fuses , its square and tall and has only 2 prongs. It could possibly be melted and stuck to the fuse box , this was a common problem and there was even a recall about it . Use only a Mack flasher as it has longer prongs to reach through the thick fuse panel housing . Aftermarket flashers have shorter prongs and barley reach the wires to make contact. This caused a poor connection and it would over heat and melt the flasher to the fuse box housing . Quote Link to comment Share on other sites More sharing options...
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